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Side-by-side financial comparison of Mirion Technologies, Inc. (MIR) and Ribbon Communications Inc. (RBBN). Click either name above to swap in a different company.

Mirion Technologies, Inc. is the larger business by last-quarter revenue ($257.6M vs $162.6M, roughly 1.6× Ribbon Communications Inc.). On growth, Mirion Technologies, Inc. posted the faster year-over-year revenue change (27.5% vs -10.3%). Over the past eight quarters, Mirion Technologies, Inc.'s revenue compounded faster (11.5% CAGR vs -8.1%).

Mirion Technologies, Inc. is a global provider of radiation detection, monitoring, and safety solutions. Its core offerings include personal dosimetry systems, radiation imaging equipment, and risk management software, serving nuclear power, healthcare, defense, and industrial sectors across North America, Europe, and the Asia Pacific.

Ribbon Communications Inc. is a public company that makes software, IP and optical networking solutions for service providers, enterprises and critical infrastructure sectors. The company was formed in 2017, following the merger of Genband and Sonus Networks and is headquartered in Plano, Texas.

MIR vs RBBN — Head-to-Head

Bigger by revenue
MIR
MIR
1.6× larger
MIR
$257.6M
$162.6M
RBBN
Growing faster (revenue YoY)
MIR
MIR
+37.8% gap
MIR
27.5%
-10.3%
RBBN
Faster 2-yr revenue CAGR
MIR
MIR
Annualised
MIR
11.5%
-8.1%
RBBN

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
MIR
MIR
RBBN
RBBN
Revenue
$257.6M
$162.6M
Net Profit
$89.1M
Gross Margin
46.2%
42.9%
Operating Margin
1.4%
37.6%
Net Margin
54.8%
Revenue YoY
27.5%
-10.3%
Net Profit YoY
EPS (diluted)
$-0.01
$0.50

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
MIR
MIR
RBBN
RBBN
Q1 26
$257.6M
$162.6M
Q4 25
$277.4M
$227.3M
Q3 25
$223.1M
$215.4M
Q2 25
$222.9M
$220.6M
Q1 25
$202.0M
$181.3M
Q4 24
$254.3M
$251.4M
Q3 24
$206.8M
$210.2M
Q2 24
$207.1M
$192.6M
Net Profit
MIR
MIR
RBBN
RBBN
Q1 26
$89.1M
Q4 25
$17.3M
Q3 25
$2.9M
$-12.1M
Q2 25
$8.3M
$-11.1M
Q1 25
$300.0K
$-26.2M
Q4 24
$15.0M
Q3 24
$-13.6M
$-13.4M
Q2 24
$-11.7M
$-16.8M
Gross Margin
MIR
MIR
RBBN
RBBN
Q1 26
46.2%
42.9%
Q4 25
48.8%
53.3%
Q3 25
46.8%
50.1%
Q2 25
46.0%
49.6%
Q1 25
47.6%
45.4%
Q4 24
48.1%
55.7%
Q3 24
44.9%
52.1%
Q2 24
47.0%
50.8%
Operating Margin
MIR
MIR
RBBN
RBBN
Q1 26
1.4%
37.6%
Q4 25
9.2%
4.1%
Q3 25
3.3%
1.3%
Q2 25
4.4%
1.9%
Q1 25
4.3%
-10.8%
Q4 24
11.4%
13.2%
Q3 24
-0.8%
-0.4%
Q2 24
1.1%
-1.0%
Net Margin
MIR
MIR
RBBN
RBBN
Q1 26
54.8%
Q4 25
6.2%
Q3 25
1.3%
-5.6%
Q2 25
3.7%
-5.0%
Q1 25
0.1%
-14.5%
Q4 24
5.9%
Q3 24
-6.6%
-6.4%
Q2 24
-5.6%
-8.7%
EPS (diluted)
MIR
MIR
RBBN
RBBN
Q1 26
$-0.01
$0.50
Q4 25
$0.07
$0.50
Q3 25
$0.01
$-0.07
Q2 25
$0.03
$-0.06
Q1 25
$0.00
$-0.15
Q4 24
$0.08
$0.05
Q3 24
$-0.07
$-0.08
Q2 24
$-0.06
$-0.10

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
MIR
MIR
RBBN
RBBN
Cash + ST InvestmentsLiquidity on hand
$397.9M
$67.6M
Total DebtLower is stronger
Stockholders' EquityBook value
$1.9B
$419.1M
Total Assets
$3.5B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MIR
MIR
RBBN
RBBN
Q1 26
$397.9M
$67.6M
Q4 25
$412.3M
$96.4M
Q3 25
$933.2M
$74.8M
Q2 25
$262.6M
$60.5M
Q1 25
$185.8M
$71.2M
Q4 24
$175.2M
$87.8M
Q3 24
$133.3M
$37.2M
Q2 24
$122.2M
$64.6M
Total Debt
MIR
MIR
RBBN
RBBN
Q1 26
Q4 25
$342.1M
Q3 25
$444.8M
$344.3M
Q2 25
$444.9M
$346.5M
Q1 25
$686.6M
$347.4M
Q4 24
$686.4M
$348.3M
Q3 24
$685.1M
$349.1M
Q2 24
$684.1M
$350.0M
Stockholders' Equity
MIR
MIR
RBBN
RBBN
Q1 26
$1.9B
$419.1M
Q4 25
$1.9B
$449.0M
Q3 25
$1.8B
$360.1M
Q2 25
$1.5B
$370.4M
Q1 25
$1.5B
$381.8M
Q4 24
$1.5B
$404.6M
Q3 24
$1.5B
$395.5M
Q2 24
$1.5B
$405.0M
Total Assets
MIR
MIR
RBBN
RBBN
Q1 26
$3.5B
Q4 25
$3.6B
$1.2B
Q3 25
$3.5B
$1.1B
Q2 25
$2.7B
$1.1B
Q1 25
$2.6B
$1.1B
Q4 24
$2.6B
$1.2B
Q3 24
$2.7B
$1.1B
Q2 24
$2.6B
$1.1B
Debt / Equity
MIR
MIR
RBBN
RBBN
Q1 26
Q4 25
0.76×
Q3 25
0.24×
0.96×
Q2 25
0.30×
0.94×
Q1 25
0.46×
0.91×
Q4 24
0.46×
0.86×
Q3 24
0.45×
0.88×
Q2 24
0.45×
0.86×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
MIR
MIR
RBBN
RBBN
Operating Cash FlowLast quarter
$18.9M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MIR
MIR
RBBN
RBBN
Q1 26
$18.9M
Q4 25
$73.0M
$29.2M
Q3 25
$22.3M
$26.5M
Q2 25
$12.4M
$-795.0K
Q1 25
$35.6M
$-3.5M
Q4 24
$60.8M
$61.8M
Q3 24
$17.1M
$-14.8M
Q2 24
$15.2M
$-9.8M
Free Cash Flow
MIR
MIR
RBBN
RBBN
Q1 26
Q4 25
$63.2M
$27.3M
Q3 25
$13.0M
$21.0M
Q2 25
$3.6M
$-6.5M
Q1 25
$27.1M
$-15.7M
Q4 24
$49.1M
$53.8M
Q3 24
$3.9M
$-23.7M
Q2 24
$4.1M
$-12.9M
FCF Margin
MIR
MIR
RBBN
RBBN
Q1 26
Q4 25
22.8%
12.0%
Q3 25
5.8%
9.7%
Q2 25
1.6%
-2.9%
Q1 25
13.4%
-8.7%
Q4 24
19.3%
21.4%
Q3 24
1.9%
-11.3%
Q2 24
2.0%
-6.7%
Capex Intensity
MIR
MIR
RBBN
RBBN
Q1 26
Q4 25
3.5%
0.9%
Q3 25
4.2%
2.6%
Q2 25
3.9%
2.6%
Q1 25
4.2%
6.7%
Q4 24
4.6%
3.2%
Q3 24
6.4%
4.2%
Q2 24
5.4%
1.6%
Cash Conversion
MIR
MIR
RBBN
RBBN
Q1 26
Q4 25
4.22×
Q3 25
7.69×
Q2 25
1.49×
Q1 25
118.67×
Q4 24
4.05×
Q3 24
Q2 24

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

MIR
MIR

Product$197.0M76%
Service$60.6M24%

RBBN
RBBN

Service$94.5M58%
Product$68.1M42%

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